Schiff base organotin (IV) complex C1 has been synthesized via the reaction of the 4 - (Diethylamino) salicylaldehyde - 2 - Hydroxy - 5 - Nitroaniline Schiff base with the n - butyltin trichloride. The complex has been characterized by IR, ~ H, 13 C NMR spectra, elemental analysis and X - ray diffraction. The complex exhibited strong antitumor activity cancer cell line and the interaction of C1 with calf thymus DNA we...